| All Patents in class 173/169 |
Patents 1 -
15
of 27
      |
| Number | Date | Patentee | Title | Type |
| 507,752 | Oct. 31, 1893 | C.H. Peck | Portable drilling-machine | handheld power drills |
| 626,497 | Jun. 06, 1899 | E.C. Meissner | Pneumatic Hammer | handheld power hammers |
| 665,033 | Jan. 01, 1901 | C.B. Richards | Pneumatic Tool | pneumatic tools |
| 745,239 | Nov. 24, 1903 | C.B. Richards | Pneumatic Tool | pneumatic tools |
| 794,738 | Jul. 18, 1905 | C.K. Pickles | Fluid-Pressure Impact Tool | pneumatic tools |
| 803,621 | Nov. 07, 1905 | A.J. Patch | Pneumatic Hammer | pneumatic tools |
| 1,276,167 | Aug. 20, 1918 | S.K. Brown | Surface Finishing Machine | |
| 1,530,505 | Mar. 24, 1925 | A. Levedahl | Stuffing box | |
| 1,559,631 | Nov. 03, 1925 | A. Levedahl | Pneumatic tool | |
| 1,566,096 | Dec. 15, 1925 | F.A. Jimerson | Reversible throttle handle | pneumatic tools |
| 1,677,199 | Jul. 17, 1928 | J.T. Nelson | Handle lock for pneumatic tools | |
| 1,947,430 | Feb. 13, 1934 | J. De Mooy | Lubricator | industrial machine lubrication |
| 2,016,725 | Oct. 08, 1935 | W.W. Price, C.W. Ripsch | Abrasive machine | handheld power sanders |
| 2,157,444 | May 09, 1939 | C.P. Whitlock | Tool Holder for Pneumatic Hammers | tool holders |
| 2,566,183 | Aug. 28, 1951 | F.P. Forss | Portable power-driven tool | handheld power drivers |
